Latest Facebook Messenger 383 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; Android 9; Hammer_IRON_3 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/103.0.5060.129 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 9 Iron 3
Mozilla/5.0 (Linux; Android 9; Gravity_6P Build/P00610; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/106.0.5249.126 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 9 Gravity 6P
Mozilla/5.0 (Linux; Android 8.1.0; W-K130-TMV Build/OPM2.171019.012; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.110 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 8 Sunny 4
Mozilla/5.0 (Linux; Android 8.1.0; Ilium Alpha 3 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/106.0.5249.126 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 8 Ilium Alpha 3
Mozilla/5.0 (Linux; Android 7.0; VIA_S10 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/106.0.5249.118 Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 7 VIA S10
Mozilla/5.0 (Linux; Android 7.0; Neffos Y7 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/106.0.5249.126 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 7 Y7
Mozilla/5.0 (Linux; Android 7.0; Archos Core 55 4G Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/106.0.5249.126 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 7 Core 55 4G
Mozilla/5.0 (Linux; Android 5.1; PGN513 Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.74 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 5 Griffe G4
Mozilla/5.0 (Linux; Android 13; V2031 Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/104.0.5112.97 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 13 Y51s
Mozilla/5.0 (Linux; Android 13; Pixel 7 Build/TD1A.220804.031; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/106.0.5249.126 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 13 Pixel 7
Mozilla/5.0 (Linux; Android 12; RMX3286 Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/106.0.5249.126 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 12 Narzo 50
Mozilla/5.0 (Linux; Android 12; RMX2170 Build/SKQ1.210216.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/106.0.5249.126 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 12 7 Pro
Mozilla/5.0 (Linux; Android 12; LM-Q920N Build/SKQ1.211103.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/106.0.5249.126 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 12 Q92
Mozilla/5.0 (Linux; Android 12; Lenovo TB-J607Z Build/SKQ1.211103.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.74 Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 12 Tab K11 Pro 5G
Mozilla/5.0 (Linux; Android 12; Infinix X6819 Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.104 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 12 Note 12i
Mozilla/5.0 (Linux; Android 12; CPH2415 Build/SKQ1.220303.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/106.0.5249.126 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 12 10T 5G
Mozilla/5.0 (Linux; Android 12; ASUS_AI2202_B Build/SKQ1.220406.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/106.0.5249.126 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 12 ZenFone 9
Mozilla/5.0 (Linux; Android 11; TECNO CH7n Build/RP1A.200720.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/102.0.5005.125 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 11 Camon 18P
Mozilla/5.0 (Linux; Android 11; PDVM00 Build/RKQ1.201217.002; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 11 A32
Mozilla/5.0 (Linux; Android 11; itel P552W Build/RP1A.201005.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/106.0.5249.126 Mobile Safari/537.36 [FB_IAB/Orca-Android;FBAV/383.0.0.14.110;] Android 11 P17 Pro